# Formulas +, your 4 collections vs CUBE

The clearest difference is review sentiment: CUBE at 100% against Formulas +, your 4 collections's 38%. CUBE also leads on price (Free vs $3.99) and in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

CUBE is free to download; Formulas +, your 4 collections costs $3.99 up front. Formulas +, your 4 collections sells 2 one-off in-app purchases. CUBE asks for nothing beyond the download.

Formulas +, your 4 collections ships an update every 4 months, CUBE weekly. The most recent releases landed on September 21, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Formulas +, your 4 collections | CUBE |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cube-3d/id1590824254/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 38.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 27 MB | 54 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [app-solutions.de](https://appshunter.io/developer/550462608) | [珺 陈](https://appshunter.io/developer/1548611003) |

## What reviewers say

### Formulas +, your 4 collections

[App page](https://appshunter.io/ios/app/formulas-plus-your-4-collections/id550462605)

This app consolidates essential formulas for mathematics, physics, chemistry, and technical subjects into a single, easy-to-use application. It features an intelligent search function and provides clear explanations and graphics to aid understanding.

**Highlights:** Consolidated formulas for multiple subjects, Intelligent search function, Explanations and graphics, Calculation function (In-App Purchase), User suggestion feature

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basics Pack | $0.99 | one-time |
| Geometry/Stereometry Pack 1 | $0.99 | one-time |


### CUBE

[App page](https://appshunter.io/ios/app/cube-3d/id1590824254)

This free 3D printing application is designed exclusively for users within a single company. It provides access to all of its functionalities without any cost.

**Highlights:** Company-exclusive access, Completely free, Full functionality access, 3D printing application

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Formulas +, your 4 collections free?

Formulas +, your 4 collections costs $3.99, and also offers in-app purchases.

### Is CUBE free?

CUBE is free to download, with no in-app purchases.

### Do Formulas +, your 4 collections or CUBE have ads?

Neither Formulas +, your 4 collections nor CUBE shows ads.

### Which is updated more often, Formulas +, your 4 collections or CUBE?

Formulas +, your 4 collections ships an update every 4 months, and CUBE weekly. Most recently, Formulas +, your 4 collections was updated on September 21, 2026 and CUBE on June 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*